Consistent quoting in Makefile

20 files changed, 65 insertions, 65 deletions

diff --git a/Examples/test-suite/cffi/Makefile.in b/Examples/test-suite/cffi/Makefile.in
index ee7e3f61e..6eebaa07c 100644
--- a/Examples/test-suite/cffi/Makefile.in
+++ b/Examples/test-suite/cffi/Makefile.in
@@ -48,4 +48,4 @@ run_testcase = \
 	@exit 0
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" cffi_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' cffi_clean
diff --git a/Examples/test-suite/chicken/Makefile.in b/Examples/test-suite/chicken/Makefile.in
index 31ab311bb..b3dccc9c3 100644
--- a/Examples/test-suite/chicken/Makefile.in
+++ b/Examples/test-suite/chicken/Makefile.in
@@ -97,5 +97,5 @@ run_testcase = \
 	@exit 0
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" chicken_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' chicken_clean
 	rm -f *.scm
diff --git a/Examples/test-suite/clisp/Makefile.in b/Examples/test-suite/clisp/Makefile.in
index 6837ed60b..3d207178f 100644
--- a/Examples/test-suite/clisp/Makefile.in
+++ b/Examples/test-suite/clisp/Makefile.in
@@ -48,4 +48,4 @@ run_testcase = \
 	@exit 0
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" clisp_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' clisp_clean
diff --git a/Examples/test-suite/common.mk b/Examples/test-suite/common.mk
index 123a7967d..53a27ef9b 100644
--- a/Examples/test-suite/common.mk
+++ b/Examples/test-suite/common.mk
@@ -707,37 +707,37 @@ partialcheck:
 	$(MAKE) check CC=true CXX=true LDSHARED=true CXXSHARED=true RUNTOOL=true COMPILETOOL=true
 
 swig_and_compile_cpp =  \
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" CXXSRCS="$(CXXSRCS)" \
-	SWIG_LIB_DIR="$(SWIG_LIB_DIR)" SWIGEXE="$(SWIGEXE)" \
-	INCLUDES="$(INCLUDES)" SWIGOPT="$(SWIGOPT)" NOLINK=true \
-	TARGET="$(TARGETPREFIX)$*$(TARGETSUFFIX)" INTERFACEDIR="$(INTERFACEDIR)" INTERFACE="$*.i" \
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' \
+	SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	INCLUDES='$(INCLUDES)' SWIGOPT='$(SWIGOPT)' NOLINK=true \
+	TARGET='$(TARGETPREFIX)$*$(TARGETSUFFIX)' INTERFACEDIR='$(INTERFACEDIR)' INTERFACE='$*.i' \
 	$(LANGUAGE)$(VARIANT)_cpp
 
 swig_and_compile_c =  \
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" CSRCS="$(CSRCS)" \
-	SWIG_LIB_DIR="$(SWIG_LIB_DIR)" SWIGEXE="$(SWIGEXE)" \
-	INCLUDES="$(INCLUDES)" SWIGOPT="$(SWIGOPT)" NOLINK=true \
-	TARGET="$(TARGETPREFIX)$*$(TARGETSUFFIX)" INTERFACEDIR="$(INTERFACEDIR)" INTERFACE="$*.i" \
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' CSRCS='$(CSRCS)' \
+	SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	INCLUDES='$(INCLUDES)' SWIGOPT='$(SWIGOPT)' NOLINK=true \
+	TARGET='$(TARGETPREFIX)$*$(TARGETSUFFIX)' INTERFACEDIR='$(INTERFACEDIR)' INTERFACE='$*.i' \
 	$(LANGUAGE)$(VARIANT)
 
 swig_and_compile_multi_cpp = \
 	for f in `cat $(top_srcdir)/$(EXAMPLES)/$(TEST_SUITE)/$*.list` ; do \
-	  $(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" CXXSRCS="$(CXXSRCS)" \
-	  SWIG_LIB_DIR="$(SWIG_LIB_DIR)" SWIGEXE="$(SWIGEXE)" \
-	  LIBS='$(LIBS)' INCLUDES="$(INCLUDES)" SWIGOPT="$(SWIGOPT)" NOLINK=true \
-	  TARGET="$(TARGETPREFIX)$${f}$(TARGETSUFFIX)" INTERFACEDIR="$(INTERFACEDIR)" INTERFACE="$$f.i" \
+	  $(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' \
+	  SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	  LIBS='$(LIBS)' INCLUDES='$(INCLUDES)' SWIGOPT='$(SWIGOPT)' NOLINK=true \
+	  TARGET="$(TARGETPREFIX)$${f}$(TARGETSUFFIX)" INTERFACEDIR='$(INTERFACEDIR)' INTERFACE="$$f.i" \
 	  $(LANGUAGE)$(VARIANT)_cpp; \
 	done
 
 swig_and_compile_external =  \
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" \
-	SWIG_LIB_DIR="$(SWIG_LIB_DIR)" SWIGEXE="$(SWIGEXE)" \
-	TARGET="$*_wrap_hdr.h" \
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' \
+	SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	TARGET='$*_wrap_hdr.h' \
 	$(LANGUAGE)$(VARIANT)_externalhdr; \
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" CXXSRCS="$(CXXSRCS) $*_external.cxx" \
-	SWIG_LIB_DIR="$(SWIG_LIB_DIR)" SWIGEXE="$(SWIGEXE)" \
-	INCLUDES="$(INCLUDES)" SWIGOPT="$(SWIGOPT)" NOLINK=true \
-	TARGET="$(TARGETPREFIX)$*$(TARGETSUFFIX)" INTERFACEDIR="$(INTERFACEDIR)" INTERFACE="$*.i" \
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS) $*_external.cxx' \
+	SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	INCLUDES='$(INCLUDES)' SWIGOPT='$(SWIGOPT)' NOLINK=true \
+	TARGET='$(TARGETPREFIX)$*$(TARGETSUFFIX)' INTERFACEDIR='$(INTERFACEDIR)' INTERFACE='$*.i' \
 	$(LANGUAGE)$(VARIANT)_cpp
 
 swig_and_compile_runtime = \
diff --git a/Examples/test-suite/errors/Makefile.in b/Examples/test-suite/errors/Makefile.in
index 4a98f979f..cf7889a1d 100644
--- a/Examples/test-suite/errors/Makefile.in
+++ b/Examples/test-suite/errors/Makefile.in
@@ -55,5 +55,5 @@ STRIP_SRCDIR = sed -e 's|\\|/|g' -e 's|^$(SRCDIR)||'
 	@exit 0
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" python_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' python_clean
 	@rm -f *.$(ERROR_EXT) *.py
diff --git a/Examples/test-suite/go/Makefile.in b/Examples/test-suite/go/Makefile.in
index 6613e63c3..7fb97eb02 100644
--- a/Examples/test-suite/go/Makefile.in
+++ b/Examples/test-suite/go/Makefile.in
@@ -46,10 +46,10 @@ INCLUDES = -I$(abs_top_srcdir)/$(EXAMPLES)/$(TEST_SUITE)
 	+$(swig_and_compile_cpp)
 	$(run_testcase_cpp)
 	if ! $(GO15); then \
-	  $(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" CXXSRCS="$(CXXSRCS)" \
-	  SWIG_LIB_DIR="$(SWIG_LIB_DIR)" SWIGEXE="$(SWIGEXE)" \
-	  INCLUDES="$(INCLUDES)" SWIGOPT="$(SWIGOPT)" NOLINK=true \
-	  TARGET="$(TARGETPREFIX)$*$(TARGETSUFFIX)" INTERFACEDIR="$(INTERFACEDIR)" INTERFACE="$*.i" \
+	  $(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' \
+	  SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	  INCLUDES='$(INCLUDES)' SWIGOPT='$(SWIGOPT)' NOLINK=true \
+	  TARGET='$(TARGETPREFIX)$*$(TARGETSUFFIX)' INTERFACEDIR='$(INTERFACEDIR)' INTERFACE='$*.i' \
 	  $(LANGUAGE)$(VARIANT)_cpp_nocgo; \
 	  $(run_testcase_cpp); \
 	fi
@@ -59,10 +59,10 @@ INCLUDES = -I$(abs_top_srcdir)/$(EXAMPLES)/$(TEST_SUITE)
 	+$(swig_and_compile_c)
 	$(run_testcase)
 	if ! $(GO15); then \
-	  $(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" CSRCS="$(CSRCS)" \
-	  SWIG_LIB_DIR="$(SWIG_LIB_DIR)" SWIGEXE="$(SWIGEXE)" \
-	  INCLUDES="$(INCLUDES)" SWIGOPT="$(SWIGOPT)" NOLINK=true \
-	  TARGET="$(TARGETPREFIX)$*$(TARGETSUFFIX)" INTERFACEDIR="$(INTERFACEDIR)" INTERFACE="$*.i" \
+	  $(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' CSRCS='$(CSRCS)' \
+	  SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	  INCLUDES='$(INCLUDES)' SWIGOPT='$(SWIGOPT)' NOLINK=true \
+	  TARGET='$(TARGETPREFIX)$*$(TARGETSUFFIX)' INTERFACEDIR='$(INTERFACEDIR)' INTERFACE='$*.i' \
 	  $(LANGUAGE)$(VARIANT)_nocgo; \
 	  $(run_testcase); \
 	fi
@@ -79,10 +79,10 @@ li_windows.cpptest:
 multi_import.multicpptest:
 	$(setup)
 	for f in multi_import_b multi_import_a; do \
-	  $(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" CXXSRCS="$(CXXSRCS)" \
-	  SWIG_LIB_DIR="$(SWIG_LIB_DIR)" SWIGEXE="$(SWIGEXE)" \
-	  LIBS='$(LIBS)' INCLUDES="$(INCLUDES)" SWIGOPT="$(SWIGOPT)" NOLINK=true \
-	  TARGET="$(TARGETPREFIX)$${f}$(TARGETSUFFIX)" INTERFACEDIR="$(INTERFACEDIR)" INTERFACE="$$f.i" \
+	  $(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' \
+	  SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	  LIBS='$(LIBS)' INCLUDES='$(INCLUDES)' SWIGOPT='$(SWIGOPT)' NOLINK=true \
+	  TARGET="$(TARGETPREFIX)$${f}$(TARGETSUFFIX)" INTERFACEDIR='$(INTERFACEDIR)' INTERFACE="$$f.i" \
 	  $(LANGUAGE)$(VARIANT)_cpp; \
 	done
 	$(run_multi_testcase)
@@ -91,18 +91,18 @@ go_subdir_import.multicpptest:
 	$(setup)
 	mkdir -p testdir/go_subdir_import/
 	mkdir -p gopath/src/testdir/go_subdir_import/
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" CXXSRCS="$(CXXSRCS)" \
-	SWIG_LIB_DIR="$(SWIG_LIB_DIR)" SWIGEXE="$(SWIGEXE)" \
-	LIBS='$(LIBS)' INTERFACEPATH="$(SRCDIR)$(INTERFACEDIR)go_subdir_import_b.i" \
-	INCLUDES="$(INCLUDES)" SWIGOPT="$(SWIGOPT) -outdir ." NOLINK=true \
-	TARGET="$(TARGETPREFIX)go_subdir_import_b$(TARGETSUFFIX)" INTERFACEDIR="$(INTERFACEDIR)" \
-	INTERFACE="testdir/go_subdir_import/go_subdir_import_b.i" \
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' \
+	SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	LIBS='$(LIBS)' INTERFACEPATH='$(SRCDIR)$(INTERFACEDIR)go_subdir_import_b.i' \
+	INCLUDES='$(INCLUDES)' SWIGOPT='$(SWIGOPT) -outdir .' NOLINK=true \
+	TARGET='$(TARGETPREFIX)go_subdir_import_b$(TARGETSUFFIX)' INTERFACEDIR='$(INTERFACEDIR)' \
+	INTERFACE='testdir/go_subdir_import/go_subdir_import_b.i' \
 	$(LANGUAGE)$(VARIANT)_cpp;
 	for f in testdir/go_subdir_import/go_subdir_import_c go_subdir_import_a ; do \
-	  $(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" CXXSRCS="$(CXXSRCS)" \
-	  SWIG_LIB_DIR="$(SWIG_LIB_DIR)" SWIGEXE="$(SWIGEXE)" \
-	  LIBS='$(LIBS)' INCLUDES="$(INCLUDES)" SWIGOPT="$(SWIGOPT)" NOLINK=true \
-	  TARGET="$(TARGETPREFIX)$${f}$(TARGETSUFFIX)" INTERFACEDIR="$(INTERFACEDIR)" INTERFACE="$$f.i" \
+	  $(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' CXXSRCS='$(CXXSRCS)' \
+	  SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
+	  LIBS='$(LIBS)' INCLUDES='$(INCLUDES)' SWIGOPT='$(SWIGOPT)' NOLINK=true \
+	  TARGET="$(TARGETPREFIX)$${f}$(TARGETSUFFIX)" INTERFACEDIR='$(INTERFACEDIR)' INTERFACE="$$f.i" \
 	  $(LANGUAGE)$(VARIANT)_cpp; \
 	done
 	if $(GOGCC); then \
@@ -164,7 +164,7 @@ run_multi_testcase = \
 	@rm -rf $*.go $*_gc.c $*_wrap.* $*_runme $*.gox $*.a
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" go_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' go_clean
 	rm -f mod_a.go mod_a.gox mod_b.go mod_b.gox
 	rm -f imports_a.go imports_a.gox imports_b.go imports_b.gox
 	rm -f clientdata_prop_a.go clientdata_prop_a.gox
diff --git a/Examples/test-suite/guile/Makefile.in b/Examples/test-suite/guile/Makefile.in
index 9050d76f5..55885fc29 100644
--- a/Examples/test-suite/guile/Makefile.in
+++ b/Examples/test-suite/guile/Makefile.in
@@ -62,4 +62,4 @@ run_testcase = \
 	@rm -f $*-guile
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" guile_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' guile_clean
diff --git a/Examples/test-suite/javascript/Makefile.in b/Examples/test-suite/javascript/Makefile.in
index 2c2397207..c68dd22b2 100644
--- a/Examples/test-suite/javascript/Makefile.in
+++ b/Examples/test-suite/javascript/Makefile.in
@@ -63,15 +63,15 @@ ifeq (node,$(JSENGINE))
 	# Note: we need to use swig in C parse mode, but make node-gyp believe it is c++ (via file extension)
 	swig_and_compile_c = \
 		$(setup_node) && \
-		$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" \
-		SWIG_LIB_DIR="$(SWIG_LIB_DIR)" SWIGEXE="$(SWIGEXE)" \
+		$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' \
+		SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
 		SWIGOPT='-javascript $(SWIGOPT) -o $*_wrap.cxx $(srcdir)/../$*.i' swiginvoke && \
 		$(NODEGYP) --loglevel=silent --directory $* configure build 1>>/dev/null
 
 	swig_and_compile_cpp = \
 		$(setup_node) && \
-		$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" \
-		SWIG_LIB_DIR="$(SWIG_LIB_DIR)" SWIGEXE="$(SWIGEXE)" \
+		$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' \
+		SWIG_LIB_DIR='$(SWIG_LIB_DIR)' SWIGEXE='$(SWIGEXE)' \
 		SWIGOPT='-c++ -javascript $(SWIGOPT) $(srcdir)/../$*.i' swiginvoke && \
 		$(NODEGYP) --loglevel=silent --directory $* configure build 1>>/dev/null
 
diff --git a/Examples/test-suite/lua/Makefile.in b/Examples/test-suite/lua/Makefile.in
index c562f09df..7be59214b 100644
--- a/Examples/test-suite/lua/Makefile.in
+++ b/Examples/test-suite/lua/Makefile.in
@@ -56,7 +56,7 @@ run_testcase = \
 	@exit 0
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" lua_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' lua_clean
 
 cvsignore:
 	@echo '*wrap* *.so *.dll *.exp *.lib'
diff --git a/Examples/test-suite/mzscheme/Makefile.in b/Examples/test-suite/mzscheme/Makefile.in
index da92f76fd..3e15f8610 100644
--- a/Examples/test-suite/mzscheme/Makefile.in
+++ b/Examples/test-suite/mzscheme/Makefile.in
@@ -46,4 +46,4 @@ run_testcase = \
 	@exit 0
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" mzscheme_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' mzscheme_clean
diff --git a/Examples/test-suite/ocaml/Makefile.in b/Examples/test-suite/ocaml/Makefile.in
index 0956fcbc4..ecdf32e9f 100644
--- a/Examples/test-suite/ocaml/Makefile.in
+++ b/Examples/test-suite/ocaml/Makefile.in
@@ -74,4 +74,4 @@ include $(srcdir)/../common.mk
 	@rm -f $*.ml $*.mli;
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" ocaml_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' ocaml_clean
diff --git a/Examples/test-suite/octave/Makefile.in b/Examples/test-suite/octave/Makefile.in
index fbffd240c..be47904e2 100644
--- a/Examples/test-suite/octave/Makefile.in
+++ b/Examples/test-suite/octave/Makefile.in
@@ -68,7 +68,7 @@ run_testcase = \
 	@rm -f $*.m;
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" octave_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' octave_clean
 
 cvsignore:
 	@echo '*wrap* *.mc *.so *.dll *.exp *.lib'
diff --git a/Examples/test-suite/perl5/Makefile.in b/Examples/test-suite/perl5/Makefile.in
index ccd12d6e4..539875da8 100644
--- a/Examples/test-suite/perl5/Makefile.in
+++ b/Examples/test-suite/perl5/Makefile.in
@@ -60,4 +60,4 @@ run_testcase = \
 	@rm -f $*.pm;
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" perl5_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' perl5_clean
diff --git a/Examples/test-suite/php/Makefile.in b/Examples/test-suite/php/Makefile.in
index c365d01c3..811eade36 100644
--- a/Examples/test-suite/php/Makefile.in
+++ b/Examples/test-suite/php/Makefile.in
@@ -60,9 +60,9 @@ missingtests: missingcpptests missingctests
 # found, runs testcase.php, except for multicpptests.
 run_testcase = \
 	if [ -f $(SCRIPTDIR)/$(SCRIPTPREFIX)$*$(SCRIPTSUFFIX) ]; then \
-	  $(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile PHP_SCRIPT=$(SCRIPTDIR)/$(SCRIPTPREFIX)$*$(SCRIPTSUFFIX) RUNTOOL="$(RUNTOOL)" php_run; \
+	  $(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile PHP_SCRIPT=$(SCRIPTDIR)/$(SCRIPTPREFIX)$*$(SCRIPTSUFFIX) RUNTOOL='$(RUNTOOL)' php_run; \
 	elif [ -f $(SCRIPTDIR)/$(SCRIPTPREFIX)$*.php -a ! -f $(top_srcdir)/$(EXAMPLES)/$(TEST_SUITE)/$*.list ]; then \
-	  $(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile PHP_SCRIPT=$(SCRIPTDIR)/$(SCRIPTPREFIX)$*.php RUNTOOL="$(RUNTOOL)" php_run; \
+	  $(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile PHP_SCRIPT=$(SCRIPTDIR)/$(SCRIPTPREFIX)$*.php RUNTOOL='$(RUNTOOL)' php_run; \
 	fi
 
 # Clean: remove the generated .php file
@@ -70,7 +70,7 @@ run_testcase = \
 	@rm -f $*.php php_$*.h
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" php_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' php_clean
 	rm -f clientdata_prop_a.php clientdata_prop_b.php php_clientdata_prop_a.h php_clientdata_prop_b.h
 	rm -f import_stl_a.php import_stl_b.php php_import_stl_a.h php_import_stl_b.h
 	rm -f imports_a.php imports_b.php php_imports_a.h php_imports_b.h
diff --git a/Examples/test-suite/pike/Makefile.in b/Examples/test-suite/pike/Makefile.in
index 92054dd9d..6e1bdfbff 100644
--- a/Examples/test-suite/pike/Makefile.in
+++ b/Examples/test-suite/pike/Makefile.in
@@ -46,4 +46,4 @@ run_testcase = \
 	@rm -f $*.pike;
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" pike_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' pike_clean
diff --git a/Examples/test-suite/python/Makefile.in b/Examples/test-suite/python/Makefile.in
index 59c8eed9e..de35393d0 100644
--- a/Examples/test-suite/python/Makefile.in
+++ b/Examples/test-suite/python/Makefile.in
@@ -167,7 +167,7 @@ endif
 	@if test "x$(SCRIPTDIR)" != "x$(srcdir)"; then rm -f $(SCRIPTDIR)/$(py2_runme); fi
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" python_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' python_clean
 	rm -f hugemod.h hugemod_a.i hugemod_b.i hugemod_a.py hugemod_b.py hugemod_runme.py
 	rm -f clientdata_prop_a.py clientdata_prop_b.py import_stl_a.py import_stl_b.py
 	rm -f imports_a.py imports_b.py mod_a.py mod_b.py multi_import_a.py
diff --git a/Examples/test-suite/r/Makefile.in b/Examples/test-suite/r/Makefile.in
index 2c9a2c3f2..312834a51 100644
--- a/Examples/test-suite/r/Makefile.in
+++ b/Examples/test-suite/r/Makefile.in
@@ -67,7 +67,7 @@ run_multitestcase = \
 	done
 # Clean
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" r_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' r_clean
 
 %.clean:
 	@rm -f $*.R $*_wrap.so $*_wrap.cpp $*_wrap.c $*_wrap.o $*_runme.Rout $*.Rout
diff --git a/Examples/test-suite/ruby/Makefile.in b/Examples/test-suite/ruby/Makefile.in
index ae4995882..6660f687f 100644
--- a/Examples/test-suite/ruby/Makefile.in
+++ b/Examples/test-suite/ruby/Makefile.in
@@ -69,4 +69,4 @@ run_testcase = \
 	@exit 0
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" ruby_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' ruby_clean
diff --git a/Examples/test-suite/tcl/Makefile.in b/Examples/test-suite/tcl/Makefile.in
index 82c59dee4..322e71914 100644
--- a/Examples/test-suite/tcl/Makefile.in
+++ b/Examples/test-suite/tcl/Makefile.in
@@ -55,4 +55,4 @@ run_testcase = \
 	@exit 0
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" tcl_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' tcl_clean
diff --git a/Examples/test-suite/uffi/Makefile.in b/Examples/test-suite/uffi/Makefile.in
index 275778c87..5d6dc110c 100644
--- a/Examples/test-suite/uffi/Makefile.in
+++ b/Examples/test-suite/uffi/Makefile.in
@@ -48,4 +48,4 @@ run_testcase = \
 	@exit 0
 
 clean:
-	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR="$(SRCDIR)" uffi_clean
+	$(MAKE) -f $(top_builddir)/$(EXAMPLES)/Makefile SRCDIR='$(SRCDIR)' uffi_clean